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Dive into the research topics where Takayuki Oka is active.

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Featured researches published by Takayuki Oka.


Archive | 1994

Microencapsulated Islets as a Bioartificial Pancreas

Tatsuya Takagi; Hiroo Iwata; Kazuo Kobayashi; Takayuki Oka; Hua Yang; Hiroshi Amemiya; Takayuki Tuji; Fumiaki Ito

Islets were microencapsulated in 5% agarose hydrogel. Those were intraperitoneally implanted in streptozotocine-induced diabetic mice. All recipients remained normoglycemic at more than 100 days in the allotransplantation (C57B1/6 mouse to BALB/c mouse) in which cellular immunity plays a major role in graft rejection. On the other hand, an average normoglycemic period was 30.8 days and only 4 of 16 recipients showed more than 30 days of normoglycemia in the xenotransplantation (hamster to mouse). The combination of microencapsulation of the xeno-islets and subtherapeutic immunosuppression of recipients with 15-deoxyspergualin synergistically permitted infinite xenograft survival.


Journal of Biomedical Materials Research | 1994

Feasibility of agarose microbeads with xenogeneic islets as a bioartificial pancreas

Hiroo Iwata; Kazuo Kobayashi; Tatsuya Takagi; Takayuki Oka; Hua Yang; Hiroshi Amemiya; Takayuki Tsuji; Fumiaki Ito


Journal of Biomedical Materials Research | 1994

Strategy for developing microbeads applicable to islet xenotransplantation into a spotaneous diabetic NOD mouse

Hiroo Iwata; Tatsuya Takagi; Kazuo Kobayashi; Takayuki Oka; Takayuki Tsuji; Fumiaki Ito


Archive | 2006

Localized plasmon enhancing sensor

Akito Ishida; Takayuki Oka; Kazuyoshi Yamamoto; 一喜 山本; 孝之 岡; 昭人 石田


Archive | 2004

Particle having magnetic material incorporated therein, process for producing the same, particle for immunoassay and method of immunoassay

Takayuki Oka; Izumi Omoto; Haruma Kawaguchi; Wataru Wakui


Archive | 1996

Process for preparing solvent-type acrylic pressure-sensitive adhesives and medical pressure-sensitive adhesive

Mitsue Tokuyama Sekisui Kogyo Kk Matsumoto; Motoi Nagano; Takeshi Nakachi; Takayuki Oka; Takashi Shinjo; Kenji Tsubota


Archive | 2004

Magnetic material encapsulating particle, immunity measuring particle and immunity measuring method

Takayuki Oka; Izumi Omoto; 泉 大本; 孝之 岡


Archive | 1993

Agent for inhibiting absorption of bile acid in enteric canal

Kazuo Kobayashi; Takayuki Oka; 和生 小林; 孝之 岡


Archive | 2003

Magnetic substance-including particle and its production method, and immunoassay particle using magnetic substance-including particle

Haruma Kawaguchi; Takayuki Oka; Wataru Wakui; 孝之 岡; 春馬 川口; 渉 涌井


Archive | 1995

PRODUCTION OF MEDICAL PRESSURE-SENSITIVE ADHESIVE

Takeshi Nakachi; Takayuki Oka; Mitsue Shiga; Takashi Shinjo; Kenji Tsubota; 健 仲地; 建治 坪田; 孝之 岡; 光枝 志賀; 隆 新城

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Haruma Kawaguchi

Japan Advanced Institute of Science and Technology

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